Mora, D. (1989). Guidelines for the safe of wastewater and excreta in agriculture and aquaculture: Measures for public health protection. World Health Organization.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Mora, Duncan. Guidelines for the Safe of Wastewater and Excreta in Agriculture and Aquaculture: Measures for Public Health Protection. World Health Organization, 1989.
MLA -ийн эшлэл (9 дэх хэвлэлт)Mora, Duncan. Guidelines for the Safe of Wastewater and Excreta in Agriculture and Aquaculture: Measures for Public Health Protection. World Health Organization, 1989.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.